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1 #!/bin/sh
2 #
3 # Copyright (c) 2010 Hudson River Trading LLC
4 # Written by: John H. Baldwin <jhb@FreeBSD.org>
5 # All rights reserved.
6 #
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
9 # are met:
10 # 1. Redistributions of source code must retain the above copyright
11 #    notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 #    notice, this list of conditions and the following disclaimer in the
14 #    documentation and/or other materials provided with the distribution.
15 #
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 # SUCH DAMAGE.
27 #
28 # $FreeBSD$
29
30 # Various regression tests to test the -A flag to the 'update' command.
31
32 WORKDIR=work
33
34 usage()
35 {
36         echo "Usage: always.sh [-s script] [-w workdir]"
37         exit 1
38 }
39
40 # Allow the user to specify an alternate work directory or script.
41 COMMAND=etcupdate
42 while getopts "s:w:" option; do
43         case $option in
44                 s)
45                         COMMAND="sh $OPTARG"
46                         ;;
47                 w)
48                         WORKDIR=$OPTARG
49                         ;;
50                 *)
51                         echo
52                         usage
53                         ;;
54         esac
55 done
56 shift $((OPTIND - 1))
57 if [ $# -ne 0 ]; then
58         usage
59 fi
60
61 CONFLICTS=$WORKDIR/conflicts
62 OLD=$WORKDIR/old
63 NEW=$WORKDIR/current
64 TEST=$WORKDIR/test
65
66 # The various states of the comparison of a file between two trees.
67 states="equal first second difftype difflinks difffiles"
68
69 # These tests deal with ignoring certain patterns of files.  We run
70 # the test multiple times forcing the install of different patterns.
71 build_trees()
72 {
73         local i
74
75         rm -rf $OLD $NEW $TEST $CONFLICTS
76
77         for i in $states; do
78                 for j in $states; do
79                         for k in $states; do
80                                 mkdir -p $OLD/$i/$j/$k $NEW/$i/$j/$k \
81                                     $TEST/$i/$j/$k
82                         done
83                 done
84         done
85
86         # What follows are the various warning/conflict cases from the
87         # larger regression tests.  These results of many of these
88         # tests should be changed when installation is forced.  The
89         # cases when these updates should still fail even when forced
90         # are: 1) it should not force the removal of a modified file
91         # and 2) it should not remove a subdirectory that contains a
92         # modified or added file.
93
94         # /first/difftype/second: File with different local type
95         # removed.  Should generate a warning.
96         mkfifo $OLD/first/difftype/second/fifo
97         mkdir $TEST/first/difftype/second/fifo
98
99         # /first/difflinks/second: Modified link removed.  Should
100         # generate a warning.
101         ln -s "old link" $OLD/first/difflinks/second/link
102         ln -s "test link" $TEST/first/difflinks/second/link
103
104         # /first/difffiles/second: Modified file removed.  Should
105         # generate a warning.
106         echo "foo" > $OLD/first/difffiles/second/file
107         echo "bar" > $TEST/first/difffiles/second/file
108
109         # /second/second/difftype: Newly added file conflicts with
110         # existing file in test tree of a different type.  Should
111         # generate a warning.
112         mkdir $NEW/second/second/difftype/dir
113         mkfifo $TEST/second/second/difftype/dir
114
115         # /second/second/difflinks: Newly added link conflicts with
116         # existing link in test tree.  Should generate a warning.
117         ln -s "new link" $NEW/second/second/difflinks/link
118         ln -s "test link" $TEST/second/second/difflinks/link
119
120         # /second/second/difffiles: Newly added file conflicts with
121         # existing file in test tree.  Should generate a warning.
122         echo "new" > $NEW/second/second/difffiles/file
123         echo "test" > $TEST/second/second/difffiles/file
124
125         # /difftype/first/first: A removed file has changed type.
126         # This should generate a warning.
127         mkfifo $OLD/difftype/first/first/fifo
128         mkdir $NEW/difftype/first/first/fifo
129
130         # /difftype/difftype/difftype: All three files (old, new, and
131         # test) are different types from each other.  This should
132         # generate a warning.
133         mkfifo $OLD/difftype/difftype/difftype/one
134         mkdir $NEW/difftype/difftype/difftype/one
135         echo "foo" > $TEST/difftype/difftype/difftype/one
136         mkdir $OLD/difftype/difftype/difftype/two
137         echo "baz" > $NEW/difftype/difftype/difftype/two
138         ln -s "bar" $TEST/difftype/difftype/difftype/two
139
140         # /difftype/difftype/difflinks: A file has changed from a
141         # non-link to a link in both the new and test trees, but the
142         # target of the new and test links differ.  This should
143         # generate a new link conflict.
144         mkfifo $OLD/difftype/difftype/difflinks/link
145         ln -s "new" $NEW/difftype/difftype/difflinks/link
146         ln -s "test" $TEST/difftype/difftype/difflinks/link
147
148         # /difftype/difftype/difffile: A file has changed from a
149         # non-regular file to a regular file in both the new and test
150         # trees, but the contents in the new and test files differ.
151         # This should generate a new file conflict.
152         ln -s "old" $OLD/difftype/difftype/difffiles/file
153         echo "foo" > $NEW/difftype/difftype/difffiles/file
154         echo "bar" > $TEST/difftype/difftype/difffiles/file
155
156         # /difflinks/first/first: A modified link is missing in the
157         # test tree.  This should generate a warning.
158         ln -s "old" $OLD/difflinks/first/first/link
159         ln -s "new" $NEW/difflinks/first/first/link
160
161         # /difflinks/difftype/difftype: An updated link has been
162         # changed to a different file type in the test tree.  This
163         # should generate a warning.
164         ln -s "old" $OLD/difflinks/difftype/difftype/link
165         ln -s "new" $NEW/difflinks/difftype/difftype/link
166         echo "test" > $TEST/difflinks/difftype/difftype/link
167
168         # /difflinks/difflinks/difflinks: An updated link has been
169         # modified in the test tree and doesn't match either the old
170         # or new links.  This should generate a warning.
171         ln -s "old" $OLD/difflinks/difflinks/difflinks/link
172         ln -s "new" $NEW/difflinks/difflinks/difflinks/link
173         ln -s "test" $TEST/difflinks/difflinks/difflinks/link
174
175         # /difffiles/first/first: A removed file has been changed in
176         # the new tree.  This should generate a warning.
177         echo "foo" > $OLD/difffiles/first/first/file
178         echo "bar" > $NEW/difffiles/first/first/file
179
180         # /difffiles/difftype/difftype: An updated regular file has
181         # been changed to a different file type in the test tree.
182         # This should generate a warning.
183         echo "old" > $OLD/difffiles/difftype/difftype/file
184         echo "new" > $NEW/difffiles/difftype/difftype/file
185         mkfifo $TEST/difffiles/difftype/difftype/file
186
187         # /difffiles/difffiles/difffiles: A modified regular file was
188         # updated in the new tree.  The changes should be merged into
189         # to the new file if possible.  If the merge fails, a conflict
190         # should be generated.  For this test we just include the
191         # conflict case.
192         cat > $OLD/difffiles/difffiles/difffiles/conflict <<EOF
193 this is an old file
194 EOF
195         cat > $NEW/difffiles/difffiles/difffiles/conflict <<EOF
196 this is a new file
197 EOF
198         cat > $TEST/difffiles/difffiles/difffiles/conflict <<EOF
199 this is a test file
200 EOF
201
202         ## Tests for adding directories
203         mkdir -p $OLD/adddir $NEW/adddir $TEST/adddir
204
205         # /adddir/conflict: Add a new file in a directory that already
206         # exists as a file.  This should generate two warnings.
207         mkdir $NEW/adddir/conflict
208         touch $NEW/adddir/conflict/newfile
209         touch $TEST/adddir/conflict
210
211         ## Tests for removing directories
212         mkdir -p $OLD/rmdir $NEW/rmdir $TEST/rmdir
213
214         # /rmdir/extra: Do not remove a directory with an extra local file.
215         # This should generate a warning.
216         for i in $OLD $TEST; do
217                 mkdir $i/rmdir/extra
218         done
219         echo "foo" > $TEST/rmdir/extra/localfile.txt
220
221         # /rmdir/conflict: Do not remove a directory with a conflicted
222         # remove file.  This should generate a warning.
223         for i in $OLD $TEST; do
224                 mkdir $i/rmdir/conflict
225         done
226         mkfifo $OLD/rmdir/conflict/difftype
227         mkdir $TEST/rmdir/conflict/difftype
228
229         ## Tests for converting files to directories and vice versa
230         for i in $OLD $NEW $TEST; do
231                 for j in already old fromdir todir; do
232                         mkdir -p $i/dirchange/$j
233                 done
234         done
235
236         # /dirchange/fromdir/extradir: Convert a directory tree to a
237         # file.  The test tree includes an extra file in the directory
238         # that is not present in the old tree.  This should generate a
239         # warning.
240         for i in $OLD $TEST; do
241                 mkdir $i/dirchange/fromdir/extradir
242                 echo "foo" > $i/dirchange/fromdir/extradir/file
243         done
244         mkfifo $TEST/dirchange/fromdir/extradir/fifo
245         ln -s "bar" $NEW/dirchange/fromdir/extradir
246
247         # /dirchange/fromdir/conflict: Convert a directory tree to a
248         # file.  The test tree includes a local change that generates
249         # a warning and prevents the removal of the directory.
250         for i in $OLD $TEST; do
251                 mkdir $i/dirchange/fromdir/conflict
252         done
253         echo "foo" > $OLD/dirchange/fromdir/conflict/somefile
254         echo "bar" > $TEST/dirchange/fromdir/conflict/somefile
255         mkfifo $NEW/dirchange/fromdir/conflict
256
257         # /dirchange/todir/difffile: Convert a file to a directory
258         # tree.  The test tree has a locally modified version of the
259         # file so that the conversion fails with a warning.
260         echo "foo" > $OLD/dirchange/todir/difffile
261         mkdir $NEW/dirchange/todir/difffile
262         echo "baz" > $NEW/dirchange/todir/difffile/file
263         echo "bar" > $TEST/dirchange/todir/difffile
264
265         # /dirchange/todir/difftype: Similar to the previous test, but
266         # the conflict is due to a change in the file type.
267         echo "foo" > $OLD/dirchange/todir/difftype
268         mkdir $NEW/dirchange/todir/difftype
269         echo "baz" > $NEW/dirchange/todir/difftype/file
270         mkfifo $TEST/dirchange/todir/difftype
271 }
272
273 # $1 - relative path to file that should be missing from TEST
274 missing()
275 {
276         if [ -e $TEST/$1 -o -L $TEST/$1 ]; then
277                 echo "File $1 should be missing"
278         fi
279 }
280
281 # $1 - relative path to file that should be present in TEST
282 present()
283 {
284         if ! [ -e $TEST/$1 -o -L $TEST/$1 ]; then
285                 echo "File $1 should be present"
286         fi
287 }
288
289 # $1 - relative path to file that should be a fifo in TEST
290 fifo()
291 {
292         if ! [ -p $TEST/$1 ]; then
293                 echo "File $1 should be a FIFO"
294         fi
295 }
296
297 # $1 - relative path to file that should be a directory in TEST
298 dir()
299 {
300         if ! [ -d $TEST/$1 ]; then
301                 echo "File $1 should be a directory"
302         fi
303 }
304
305 # $1 - relative path to file that should be a symlink in TEST
306 # $2 - optional value of the link
307 link()
308 {
309         local val
310
311         if ! [ -L $TEST/$1 ]; then
312                 echo "File $1 should be a link"
313         elif [ $# -gt 1 ]; then
314                 val=`readlink $TEST/$1`
315                 if [ "$val" != "$2" ]; then
316                         echo "Link $1 should link to \"$2\""
317                 fi
318         fi
319 }
320
321 # $1 - relative path to regular file that should be present in TEST
322 # $2 - optional string that should match file contents
323 # $3 - optional MD5 of the flie contents, overrides $2 if present
324 file()
325 {
326         local contents sum
327
328         if ! [ -f $TEST/$1 ]; then
329                 echo "File $1 should be a regular file"
330         elif [ $# -eq 2 ]; then
331                 contents=`cat $TEST/$1`
332                 if [ "$contents" != "$2" ]; then
333                         echo "File $1 has wrong contents"
334                 fi
335         elif [ $# -eq 3 ]; then
336                 sum=`md5 -q $TEST/$1`
337                 if [ "$sum" != "$3" ]; then
338                         echo "File $1 has wrong contents"
339                 fi
340         fi
341 }
342
343 # $1 - relative path to a regular file that should have a conflict
344 # $2 - optional MD5 of the conflict file contents
345 conflict()
346 {
347         local sum
348
349         if ! [ -f $CONFLICTS/$1 ]; then
350                 echo "File $1 missing conflict"
351         elif [ $# -gt 1 ]; then
352                 sum=`md5 -q $CONFLICTS/$1`
353                 if [ "$sum" != "$2" ]; then
354                         echo "Conflict $1 has wrong contents"
355                 fi
356         fi
357 }
358
359 # $1 - relative path to a regular file that should not have a conflict
360 noconflict()
361 {
362         if [ -f $CONFLICTS/$1 ]; then
363                 echo "File $1 should not have a conflict"
364         fi
365 }
366
367 if [ `id -u` -ne 0 ]; then
368         echo "must be root"
369 fi
370
371 if [ -r /etc/etcupdate.conf ]; then
372         echo "WARNING: /etc/etcupdate.conf settings may break some tests."
373 fi
374
375 # First run the test ignoring no patterns.
376
377 build_trees
378
379 $COMMAND -r -d $WORKDIR -D $TEST > $WORKDIR/test.out
380
381 cat > $WORKDIR/correct.out <<EOF
382   D /dirchange/fromdir/extradir/file
383   C /difffiles/difffiles/difffiles/conflict
384   C /difftype/difftype/difffiles/file
385   C /second/second/difffiles/file
386 Warnings:
387   Modified regular file remains: /dirchange/fromdir/conflict/somefile
388   Modified regular file remains: /first/difffiles/second/file
389   Modified symbolic link remains: /first/difflinks/second/link
390   Modified directory remains: /first/difftype/second/fifo
391   Modified directory remains: /rmdir/conflict/difftype
392   Non-empty directory remains: /rmdir/extra
393   Non-empty directory remains: /rmdir/conflict
394   Modified mismatch: /difffiles/difftype/difftype/file (regular file vs fifo file)
395   Removed file changed: /difffiles/first/first/file
396   Modified link changed: /difflinks/difflinks/difflinks/link ("old" became "new")
397   Modified mismatch: /difflinks/difftype/difftype/link (symbolic link vs regular file)
398   Removed link changed: /difflinks/first/first/link ("old" became "new")
399   New link conflict: /difftype/difftype/difflinks/link ("new" vs "test")
400   Modified regular file changed: /difftype/difftype/difftype/one (fifo file became directory)
401   Modified symbolic link changed: /difftype/difftype/difftype/two (directory became regular file)
402   Remove mismatch: /difftype/first/first/fifo (fifo file became directory)
403   Modified directory changed: /dirchange/fromdir/conflict (directory became fifo file)
404   Modified directory changed: /dirchange/fromdir/extradir (directory became symbolic link)
405   Modified regular file changed: /dirchange/todir/difffile (regular file became directory)
406   Modified fifo file changed: /dirchange/todir/difftype (regular file became directory)
407   New file mismatch: /adddir/conflict (directory vs regular file)
408   Directory mismatch: $TEST/adddir/conflict (regular file)
409   Directory mismatch: $TEST/dirchange/todir/difffile (regular file)
410   Directory mismatch: $TEST/dirchange/todir/difftype (fifo file)
411   New link conflict: /second/second/difflinks/link ("new link" vs "test link")
412   New file mismatch: /second/second/difftype/dir (directory vs fifo file)
413 EOF
414
415 echo "Differences for regular:"
416 diff -u -L "correct" $WORKDIR/correct.out -L "test" $WORKDIR/test.out
417
418 ## /first/difftype/second:
419 present /first/difftype/second/fifo
420
421 ## /first/difflinks/second:
422 link /first/difflinks/second/link "test link"
423
424 ## /first/difffiles/second:
425 file /first/difffiles/second/file "bar"
426
427 ## /second/second/difftype:
428 fifo /second/second/difftype/dir
429
430 ## /second/second/difflinks:
431 link /second/second/difflinks/link "test link"
432
433 ## /second/second/difffiles:
434 file /second/second/difffiles/file "test"
435 conflict /second/second/difffiles/file 4f2ee8620a251fd53f06bb6112eb6ffa
436
437 ## /difftype/first/first:
438 missing /difftype/first/first/fifo
439
440 ## /difftype/difftype/difftype:
441 file /difftype/difftype/difftype/one "foo"
442 link /difftype/difftype/difftype/two "bar"
443
444 ## /difftype/difftype/difflinks:
445 link /difftype/difftype/difflinks/link "test"
446
447 ## /difftype/difftype/difffile:
448 conflict /difftype/difftype/difffiles/file 117f2bcd1f6491f6044e79e5a57a9229
449
450 ## /difflinks/first/first:
451 missing /difflinks/first/first/link
452
453 ## /difflinks/difftype/difftype:
454 file /difflinks/difftype/difftype/link "test"
455
456 ## /difflinks/difflinks/difflinks:
457 link /difflinks/difflinks/difflinks/link "test"
458
459 ## /difffiles/first/first:
460 missing /difffiles/first/first/file
461
462 ## /difffiles/difftype/difftype:
463 fifo /difffiles/difftype/difftype/file
464
465 ## /difffiles/difffiles/difffiles:
466 file /difffiles/difffiles/difffiles/conflict "this is a test file"
467 conflict /difffiles/difffiles/difffiles/conflict \
468     8261cfdd89280c4a6c26e4ac86541fe9
469
470 ## /adddir/conflict:
471 file /adddir/conflict
472
473 ## /rmdir/extra:
474 dir /rmdir/extra
475 file /rmdir/extra/localfile.txt "foo"
476
477 ## /rmdir/conflict:
478 dir /rmdir/conflict/difftype
479 present /rmdir/conflict
480
481 ## /dirchange/fromdir/extradir:
482 missing /dirchange/fromdir/extradir/file
483 fifo /dirchange/fromdir/extradir/fifo
484
485 ## /dirchange/fromdir/conflict:
486 file /dirchange/fromdir/conflict/somefile "bar"
487
488 ## /dirchange/todir/difffile:
489 file /dirchange/todir/difffile "bar"
490
491 ## /dirchange/todir/difftype:
492 fifo /dirchange/todir/difftype
493
494 # Now test with -A '/first*' -A '/second* /*di*'.  This should remove
495 # most of the warnings and conflicts.
496
497 build_trees
498
499 $COMMAND -r -A '/first*' -A '/second* /*di*' -d $WORKDIR -D $TEST > \
500     $WORKDIR/test1.out
501
502 cat > $WORKDIR/correct1.out <<EOF
503   D /dirchange/fromdir/extradir/file
504   U /difffiles/difffiles/difffiles/conflict
505   U /difffiles/difftype/difftype/file
506   A /difffiles/first/first/file
507   U /difflinks/difflinks/difflinks/link
508   U /difflinks/difftype/difftype/link
509   A /difflinks/first/first/link
510   U /difftype/difftype/difffiles/file
511   U /difftype/difftype/difflinks/link
512   D /difftype/difftype/difftype/one
513   U /difftype/difftype/difftype/two
514   U /dirchange/todir/difffile
515   U /dirchange/todir/difftype
516   U /adddir/conflict
517   A /adddir/conflict/newfile
518   A /dirchange/todir/difffile/file
519   A /dirchange/todir/difftype/file
520   U /second/second/difffiles/file
521   U /second/second/difflinks/link
522   D /second/second/difftype/dir
523 Warnings:
524   Modified regular file remains: /dirchange/fromdir/conflict/somefile
525   Modified regular file remains: /first/difffiles/second/file
526   Modified symbolic link remains: /first/difflinks/second/link
527   Modified directory remains: /first/difftype/second/fifo
528   Modified directory remains: /rmdir/conflict/difftype
529   Non-empty directory remains: /rmdir/extra
530   Non-empty directory remains: /rmdir/conflict
531   Modified directory changed: /dirchange/fromdir/conflict (directory became fifo file)
532   Modified directory changed: /dirchange/fromdir/extradir (directory became symbolic link)
533 EOF
534
535 echo "Differences for -A '/first*' -A '/second* /*di*':"
536 diff -u -L "correct" $WORKDIR/correct1.out -L "test" $WORKDIR/test1.out
537
538 ## /first/difftype/second:
539 present /first/difftype/second/fifo
540
541 ## /first/difflinks/second:
542 link /first/difflinks/second/link "test link"
543
544 ## /first/difffiles/second:
545 file /first/difffiles/second/file "bar"
546
547 ## /second/second/difftype:
548 missing /second/second/difftype/dir
549
550 ## /second/second/difflinks:
551 link /second/second/difflinks/link "new link"
552
553 ## /second/second/difffiles:
554 file /second/second/difffiles/file "new"
555 noconflict /second/second/difffiles/file
556
557 ## /difftype/first/first:
558 missing /difftype/first/first/fifo
559
560 ## /difftype/difftype/difftype:
561 missing /difftype/difftype/difftype/one
562 file /difftype/difftype/difftype/two "baz"
563
564 ## /difftype/difftype/difflinks:
565 link /difftype/difftype/difflinks/link "new"
566
567 ## /difftype/difftype/difffile:
568 noconflict /difftype/difftype/difffiles/file
569 file /difftype/difftype/difffiles/file "foo"
570
571 ## /difflinks/first/first:
572 link /difflinks/first/first/link "new"
573
574 ## /difflinks/difftype/difftype:
575 link /difflinks/difftype/difftype/link "new"
576
577 ## /difflinks/difflinks/difflinks:
578 link /difflinks/difflinks/difflinks/link "new"
579
580 ## /difffiles/first/first:
581 file /difffiles/first/first/file "bar"
582
583 ## /difffiles/difftype/difftype:
584 file /difffiles/difftype/difftype/file "new"
585
586 ## /difffiles/difffiles/difffiles:
587 noconflict /difffiles/difffiles/difffiles/conflict
588 file /difffiles/difffiles/difffiles/conflict "this is a new file"
589
590 ## /adddir/conflict:
591 file /adddir/conflict/newfile
592
593 ## /rmdir/extra:
594 dir /rmdir/extra
595 file /rmdir/extra/localfile.txt "foo"
596
597 ## /rmdir/conflict:
598 dir /rmdir/conflict/difftype
599 present /rmdir/conflict
600
601 ## /dirchange/fromdir/extradir:
602 missing /dirchange/fromdir/extradir/file
603 fifo /dirchange/fromdir/extradir/fifo
604
605 ## /dirchange/fromdir/conflict:
606 file /dirchange/fromdir/conflict/somefile "bar"
607
608 ## /dirchange/todir/difffile:
609 file /dirchange/todir/difffile/file "baz"
610
611 ## /dirchange/todir/difftype:
612 file /dirchange/todir/difftype/file "baz"